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Frontier Replaces Longtime CEO Barry Biffle With President James Dempsey as Interim Chief

Shares fell after the abrupt move despite Frontier reaffirming its fourth-quarter outlook.

Overview

  • The board named James Dempsey interim CEO effective immediately, with Barry Biffle remaining as an adviser through December 31.
  • Frontier provided no explanation for the leadership change, and a company spokesperson declined to share additional details.
  • Frontier Group Holdings shares dropped about 11% on Tuesday following the announcement.
  • The company reiterated its November 5 guidance for Q4 2025, projecting non-GAAP earnings of $0.04 to $0.20 per share on roughly flat capacity.
  • The transition comes after weak 2025 performance, including a $190 million loss in the first nine months and continued pressure on ultra-low-cost carriers.